Ultra Silent Bathroom Fan - Broan QTXE110S

This Bathroom fan is a Broan
SmartSense., it automatically coordinates the operation of ventilation
fans, running them intermittently throughout the day when necessary. This Bathroom Fan has a Six-inch ducting, which guarantees sound and CFM performance ratings. You can Install them in any room - Broans Ultra Silent Ventilation bathroom fan are barely audible, so they can be used in any room. This bathroom fan is specifically engineered for continuous, energy-efficient operation, it has an Ultra-silent operation: 0.3 and 0.7 Sones.